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cmd.exe: Support SHIFT /n option.

This commit is contained in:
Jason Edmeades 2007-03-08 00:50:37 +00:00 committed by Alexandre Julliard
parent ffbaedef51
commit 612dc9d35d
4 changed files with 29 additions and 8 deletions
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4
programs/cmd/batch.c
View File

@ -89,7 +89,7 @@ void WCMD_batch (char *file, char *command, int called, char *startLabel, HANDLE
context = (BATCH_CONTEXT *)LocalAlloc (LMEM_FIXED, sizeof (BATCH_CONTEXT));
context -> h = h;
context -> command = command;
context -> shift_count = 0;
memset(context -> shift_count, 0x00, sizeof(context -> shift_count));
context -> prev_context = prev_context;
context -> skip_rest = FALSE;
@ -386,7 +386,7 @@ void WCMD_HandleTildaModifiers(char **start, char *forVariable) {
/* Extract the parameter to play with */
if ((*lastModifier >= '0' && *lastModifier <= '9')) {
strcpy(outputparam, WCMD_parameter (context -> command,
*lastModifier-'0' + context -> shift_count, NULL));
*lastModifier-'0' + context -> shift_count[*lastModifier-'0'], NULL));
} else {
/* FIXME: Retrieve 'for' variable %c\n", *lastModifier); */
/* Need to get 'for' loop variable into outputparam */

25
programs/cmd/builtins.c
View File

@ -1388,11 +1388,32 @@ void WCMD_setshow_time (void) {
* WCMD_shift
*
* Shift batch parameters.
* Optional /n says where to start shifting (n=0-8)
*/
void WCMD_shift (void) {
void WCMD_shift (char *command) {
int start;
if (context != NULL) context -> shift_count++;
if (context != NULL) {
char *pos = strchr(command, '/');
int i;
if (pos == NULL) {
start = 0;
} else if (*(pos+1)>='0' && *(pos+1)<='8') {
start = (*(pos+1) - '0');
} else {
SetLastError(ERROR_INVALID_PARAMETER);
WCMD_print_error();
return;
}
WINE_TRACE("Shifting variables, starting at %d\n", start);
for (i=start;i<=8;i++) {
context -> shift_count[i] = context -> shift_count[i+1] + 1;
}
context -> shift_count[9] = context -> shift_count[9] + 1;
}
}

4
programs/cmd/wcmd.h
View File

@ -68,7 +68,7 @@ void WCMD_setshow_env (char *command);
void WCMD_setshow_path (char *command);
void WCMD_setshow_prompt (void);
void WCMD_setshow_time (void);
void WCMD_shift (void);
void WCMD_shift (char *command);
void WCMD_show_prompt (void);
void WCMD_title (char *);
void WCMD_type (void);
@ -91,7 +91,7 @@ void WCMD_splitpath(const CHAR* path, CHAR* drv, CHAR* dir, CHAR* name, CHAR* ex
typedef struct {
char *command; /* The command which invoked the batch file */
HANDLE h; /* Handle to the open batch file */
int shift_count; /* Number of SHIFT commands executed */
int shift_count[10]; /* Offset in terms of shifts for %0 - %9 */
void *prev_context; /* Pointer to the previous context block */
BOOL skip_rest; /* Skip the rest of the batch program and exit */
} BATCH_CONTEXT;

4
programs/cmd/wcmdmain.c
View File

@ -411,7 +411,7 @@ void WCMD_process_command (char *command)
/* Replace use of %0...%9 if in batch program*/
} else if (context && (i >= 0) && (i <= 9)) {
s = strdup (p+2);
t = WCMD_parameter (context -> command, i + context -> shift_count, NULL);
t = WCMD_parameter (context -> command, i + context -> shift_count[i], NULL);
strcpy (p, t);
strcat (p, s);
free (s);
@ -629,7 +629,7 @@ void WCMD_process_command (char *command)
WCMD_setshow_env (p);
break;
case WCMD_SHIFT:
WCMD_shift ();
WCMD_shift (p);
break;
case WCMD_TIME:
WCMD_setshow_time ();